منابع مشابه
Type II superconductivity and magnetic flux transport in neutron stars
The transition to a type II proton superconductor which is believed to occur in a cooling neutron star is accompanied by changes in the equation of hydrostatic equilibrium and by the formation of proton vortices with quantized magnetic flux. Analysis of the electron Boltzmann equation for this system and of the proton supercurrent distribution formed at the transition leads to the derivation of...
متن کاملComment on ”Vortex Liquid Crystal in Anisotropic Type II Superconductors” The suppression of superconductivity in type II superconductors
Comment on " Vortex Liquid Crystal in Anisotropic Type II Superconductors " The suppression of superconductivity in type II superconductors is associated with the melting transition of the lattice of flux quanta [1, 2, 3]. Most melting phenomena in Nature are thermodynamic first-order phase transitions. An analytic description of melting is thus difficult since there is no good handle, such as ...
متن کاملType-1.5 superconductivity.
We demonstrate the existence of a novel superconducting state in high quality two-component MgB2 single crystalline superconductors where a unique combination of both type-1 (lambda{1}/xi{1}<1/sqrt[2]) and type-2 (lambda{2}/xi{2}>1/sqrt[2]) superconductor conditions is realized for the two components of the order parameter. This condition leads to a vortex-vortex interaction attractive at long ...
متن کاملPrecession of Isolated Neutron Stars II: Magnetic Fields and Type II Superconductivity
We consider the physics of free precession of a rotating neutron star with an oblique magnetic field. We show that if the magnetic stresses are large enough, then there is no possibility of steady rotation, and precession is inevitable. Even if the magnetic stresses are not strong enough to prevent steady rotation, we show that the minimum energy state is one in which the star precesses. Since ...
متن کاملExperimental aspects of Alpha, Beta angles distortion on superconductivity in 1111-type Iron-based superconductor
In this research, we aim to clarify the relationship between the structural distortion due to doping and the superconductivity existence in the FeAs4 structure. For this, we have prepared polycrystalline of NdFeAsO0.8F0.2, NdFeAs0.95Sb0.05O0.8F0.2 and Nd0.99Ca0.01FeAsO0.8F0.2 samples by one-step solid state reaction method. The structural and electrical properties of the samples were characteri...
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ژورنال
عنوان ژورنال: Superconductor Science and Technology
سال: 2012
ISSN: 0953-2048,1361-6668
DOI: 10.1088/0953-2048/26/1/015010